Japan Leads Asian Shares as BOJ Stands Pat

HONG KONG—Japanese stocks ended the day slightly higher in a choppy session on Wednesday after the Bank of Japan stood pat on policy, while Hong Kong stocks saw a sharp loss.

The Nikkei, which reopened after Tuesday's public holiday, flipped between positive and negative territory to end up 0.1% at 14304.11. The benchmark recovered slightly from Monday, when it fell 1% after disappointing earnings from Honda Motor Co. Ltd. and in...